body {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
}

form {
    border: 1px solid blue;
    background-color: #E0E8EF;
    padding: 10px;
    margin: 10px;
}

input, label {
    display: block;
}

#mensagem {
    padding: 10px;
    width: 200px;
    background-color: green;
    color: white;
    font-weight: bold;
}

.obrigatorio {
    color: red;
	font-style: italic;
}

#error {
    border: 1px solid red;
    color: red;
    font-weight: bold;
    padding: 3px;
    background-color: #99CCFF;
    margin: 6px 0;
    width: 120px;
    text-align: center;
}